浙江省衢州市高中英语《Unit2 Working the land》教案 新人教版必修4

1 UnitUnit 2 2 WorkingWorking thethe landland 1 1 教材分析教材分析 The emphasis of this period will be placed on reviewing the important new words expressions and sentence patterns in the parts Warming up Pre reading Reading and Comprehending In order to make students grasp and use these important points thoroughly 2 2 学情分析学情分析 Our Ss don t like even hate to memorize words and language points however they are the fundamental of learning English This class will help them to memorize language points by exercises 3 3 教学目标教学目标 1 知识目标 1 Get Ss to go over the useful new words and expressions in this unit 2 Have Ss review the new grammar item 动词 ing 形式作主语和宾语 2 能力目标 1 Develop Ss ability to use the important language points in this unit 2 Enable Ss to learn about the usage of v ing 3 情感目标 1 Stimulate students sense to form a revision habit 2 Develop students sense of cooperative learning 4 4 教学重点教学重点 1 Get Ss to review and consolidate what they have learned in this unit 2 Develop Ss ability to solve problems 5 5 教学难点教学难点 1 Get Ss to turn what they have learned into their ability 6 6 教学过程教学过程 Step 1 Revision 1 Check the homework exercises 2 Dictate some useful new words and expressions in this unit Step 2 考 点 串 串 讲 一 重点单词重点单词 1 struggle v 挣扎 努力 拼搏 斗争 n 为争取自由 政治权利等而进行的 斗争 奋斗 常用结构 struggle with与 斗争 struggle for 为争取 而斗争 struggle against与 斗争 为反对 而斗争 struggle to do sth make great efforts to do sth 努力做某事 struggle to one s feet 挣扎着站起来 She struggled to keep back the tears 她努力忍住泪水 It was a hard struggle to get my work done on time 为使工作按时完成 我做了一番努力 易混辨析 struggle fight struggle指较长时间的 激烈的斗争 往往指肉体及精神上的战斗 fight意为 搏斗 打斗 打架 表示 斗争 时 包含体力和勇猛的因素 2 2 expand v 扩大 扩展 增加 增长 使 膨胀 阐述 使变大 常用结构 expand into 将 扩展 发展成 expand on 阐述 详谈 He is thinking of expanding his business 他在正考虑扩大他的生意 In ten years the city s population expanded by 12 十年之中 该市人口增加了百分之十二 联想拓展 expansion n 展开 膨胀 扩展 expansive adj 广阔的 易膨胀的 expand extend spread stretch expand 意为 展开 扩大 不仅指尺寸的增加 还可指范围和体积的扩大 extend 意为 伸出 延伸 指空间范围的扩大及长度 宽度的向外延伸 也可指 时间的延长 spread 意为 传播 蔓延 铺开 一般指向四面八方扩大传播的范围 如传播 疾病 散布 信息 等 stretch 意为 伸展 身体等 拉长 连绵 一般指由曲变直 由短变长的伸展 不是加长 3 equip vt 因为 Thanks to your help we were successful 由于你的帮助 我们成功了 Thanks to the bad weather the match had been cancelled 多亏了这倒霉的天气 比 赛被取消了 反 联想拓展 表示 因为 由于 的短语还有 because of owing to on account of due to as a result of 温馨提示 以上这些都是介词短语 因此后面可以跟名词或动名词而不可以跟从句 8 rid of 摆脱 除去 You should rid yourself of that bad habit 你应该改掉那个坏习惯 联想拓展 be rid of 摆脱 get rid of 摆脱 除掉 去掉 rid oneself of debt 还清债务 break away from 摆脱 放弃 You must break away from such a bad habit 你必须改掉这样的坏习惯 It won t be long before we can be get rid of the pest altogether 不用太久 我们就能把这种害虫消除干净 9 would rather 宁愿 宁可 I d rather you didn t 常用来委婉拒绝别人 我希望你不要 He would rather stay at home watching TV 他宁愿待在家里看电视 I d rather not go there 我宁愿不去那里 I d rather you came tomorrow than today 我宁愿你明天来而不是今天来 I d rather have made a telephone call to him yesterday 我昨天本想给他打个电话 的 联想拓展 would rather than 是常用句式 意为 宁可 愿 而 不要 愿 would rather 从句时 从句要用虚拟语气 用动词的过去时表示 would rather have done 本想做 而实际上未做 10 lead to 通向 导致 造成 后果 注意 lead to中的to为介词 该短语后可跟名词或动名词 The car accident led to his being killed 那次车祸导致他死亡 All roads lead to Rome 条条大路通罗马 Eating too much sugar can lead to health problems 吃太多糖会导致健康问题 His carelessness led to his failure 他的粗心导致了他的失败 联想拓展 result in 导致 result from 由 导致 11 build up 逐步建立 逐渐增强 加强 树立 积累 The company has built up a fine reputation 该公司已建立起良好的信誉 You must build up your strength after your illness 你在病后必须要增强体力 4 12 focus on 集中 注意力 精力等 于 对 某事或做某事 予以注意 使聚焦于 使直射于 He focused his mind on his lessons 他把心思集中在功课上 Today we re going to focus on the question of homeless people 今天 我们主要 讨论无家可归者的问题 联想拓展 focus one s attention on sth center concentrate fix one s attention on sth 集中注意力于 重点句型重点句型 13 In 1974 he became the first agricultural pioneer in the world to grow rice that has a high output 1974年 他成为世界上第一位种植高产水稻的农业先锋 不定式放在表示次序的词the first the last the best以及the only the very the right等词后面 且这些词与动词不定式有逻辑上的主谓关系 结构为 the first last best only very right n to do sth 表示 第一个 最后一个 最好的 一个 唯一的 恰好的 合适的 做某事的人 物 He is always the first to come and the last to leave 他总是第一个来并且最后一个离开 The last man to leave the sinking ship was the captain 最后一个离开正在下沉的船的那个人是船长 14 Using his hybrid rice farmers are producing harvests twice as large as before 用他的杂交水稻种子 农民们种出的粮食比以前多了一倍 倍数表达法 A be 倍数 as adj as B A be 倍数 比较级 than B A be 倍数 由某些形容词变化而来的 n of B I m not going out with a man who s twice as old as me 我不愿意和一个年纪比我 大一倍的男人一起参加社交活动 We got three times as many people as expected 来的人超过我们预料人数的两倍 You re not half as clever as you think you are 你可不像自己想像的一半那么聪明 15 This also keeps the air soil water and crops free from chemicals 这还可以让空气 土壤 水以及农作物不受化学物质的污染 keep free from 无 的 免于 摆脱 常用作表语 后置定语或补语 联想拓展 be free to do sth 自由地做 随意地做 set sb free 释放某人 get give sth for free免费得到 赠送 a smoke free room area无烟室 区 free of charge免费 板书设计板书设计 1 struggle with与 斗争 struggle for 为争取 而斗争 struggle against与 斗争 为反对 而斗争 struggle to do sth make great efforts to do sth 努力做某事 2 expand extend spread stretch expand 意为 展开 扩大 不仅指尺寸的增加 还可指范围和体积 的扩大 extend 意为 伸出 延伸 指空间范围的扩大及长度 宽度的向外 延伸 也可指时间的延长 spread 意为 传播 蔓延 铺开 一般指向四面八方扩大传播的范 围 如传播 疾病 散布 信息 等 stretch 意为 伸展 身体等 拉长 连绵 一般指由曲变直 由短 变长的伸展 不是加长 3 equip vt 因为 5 问题研讨 课堂提问 练习和作业设计 问题研讨 课堂提问 练习和作业设计 课堂提问课堂提问 1 What do you think would happen if tomorrow there was suddenly no rice to eat 2 What are some of the problems caused by chemical fertilizers 练习练习 单词拼写 根据下列句子及所缺单词的首字母或汉语意思 写出单词的正确形式 1 The new from the front is very 令人不安的 2 There were several new forms of 细菌 and nobody knew how they would affect humans 3 Air e when heated 4 If you blood 循环 badly your hands and feet will get cold easily 5 This food provides the 营养 your dog needs 6 The average 产量 of the factory is 20 cars a day 7 We e rice but import wheat 8 I bought the shirt because its price was r by 40 9 Give me a s of your report I have no time to read right through it 10 The soldiers were e with the latest weapons 作业作业 A A levellevel 单项选择单项选择 1 Shall I open the window to let some fresh air in No A I d rather not B I d rather you not C I d rather you didn t D I d like not to 2 Vitamin B and C help to your resistance A set up B give up C build up D stand up 3 He got completely when he saw both Lucy and Lily who are twin sisters A confusing B confused C confuse D confuses 4 The professor referred to yesterday A come B came C coming D comes 5 He insisted that he from heart trouble but I didn t think so A should suffer B has suffered C suffers D was suffering 6 It is generally considered unwise to give a child he or she wants 6 A however B whatever C whichever D whenever 7 What happened to your shoes They want A to mend B being mended C mending D mended 8 What do you think made Mary to upset her new bicycle A Losing B Lost C As she lost D Because of 9 The officers narrowly escaped in the hot battle A have killed B to kill C to be killed D being killed 10 The students are listening to the teacher with their eyes the blackboard A fixing on B fixing to C fixed on D fixed to B B levellevel 11 Did you find impossible for him to tell the truth A this B it C that D what 12 You but he the prizes to these gifted students at the meeting A is hanging out B are handing out C are to hand out D is to hand out 13 I will appreciate if you paid in cash A that B you C this D it 14 If I ruled the world I would the world everything that is bad A get rid of byB be rid of byC rid ofD get rid of 15 As is known to all oranges are Vitamin C A rich in B poor with C short of D good for 16 We found several of rice near the hole The mice may have stored a lot of in the hole A grain grain B grains grains C grain grains D grains grain 17 Only then how much damage had been caused A did she realize B she realized C had she realized D she had realized 18 It s five years since I worked here A Where do you work now B Have you worked here happily C How long will you work here D Do you want to here longer 19 Three days enough to finish the work Let my do it A are B was C is D were 20 Progress so far has been very good we are sure that the project will be completed on time A However B Otherwise C Therefore D Besides C C levellevel 根据汉语意思完成句子 根据汉语意思完成句子 1 his face and arms and his slim strong body are ju